Sep 10, 2012 6:00pm PDT
after they were caught entering the united states. the decision to halt those flights ends a seven-year experiment that cost taxpayers nearly 100 million. government officials say a more cost effective version of those flights may resume but not this year. >>> chicago teachers walked off the job this morning leaving the parents of 400,000 kids scrambling. teachers aren't striking over pavement they earn an average of $76,000 a year. they are unhappy with mayor rahm emanuel's push to cut health benefits and link evaluations to school performance. come schools were open so kids could have access to breakfast and lunch. the last strike in chicago was 25 years ago, and that one lasted 19 days. >>> a blow to al qaeda tonight. one of its top commanders were killed in yemen. >> nbc "bay area news" commander is here. >> reporter: senior officials are confirming al qaeda's number two in command was killed by drone missiles. he and five others were killed as they were leaving the house in the southern part of yemen. al qaeda's yemen branch is considered one of the biggest threats to america.